Island



May 15, 1923.

' R. B. RESPESS PROCESS OF MAKING ARTIEICIAL LEATHER Original Fi1ed`June24, 1919 4 'To (ill whom itmay concermj.

35 spe fabri as it isunwound 'under tension'and pressin thbindinghsoluton into-,the fajb "rc,-after;wh`ic`h t passes to a dxying'obam ber` -and the solvent'in the binding &gent is' Rebe@ May 15,?

kombi. nsrnss br w YORK,- N; r Ass1 No`R,.1 3Y MESN ASSIGNMENT& 'ro mssno 1110.,.02 cnAN'suoN, RHODE Is ANm-Aconromxnov o REODE ISLAND.

' rnocEss 'or M KING 'original o. ,4e,os 4, &stad-Key;6,*'1922,'Sei-ia1'No. 306453, filed :kun -24, 1919. 'Applicationte ;ARTIICIAL LEATHEreiss'ue med April 4, 1923. Serial No'. 623934.

`'Be it' known. that I,"-ROLAI-I D &Citizen of the United States ofAmeriea, and `a residentof the city, ou'nty, and State of New York,.have. invented new and-use* ful' Improvement's' i n Processes of Makingisa speeification, Ths nventon relates to process jof mak-.

0 ing .artificial leather. and relates more -piar- 4 ticularlytotreating a fabI- c having an un-V inrolls, preferably o'f 'fiftytyardsand upwards inle'ngth from cotton orother fibers 'made intqa feltedsheet, or a woven fabric* zo one' side of which-is felted or 'hes a'loose' fiber'nap, saturating .the 'fibenwith a coatingbindin'egenttvsueh as e fubber compoundorce lulose, drying, pressing the ma--te'ial under tension an@ 'finishng one or 26 bothsides oi the same wtha surface ;dress ing'to fol-'m 'a ab'ic' resembling leather, In generalterms -my abric is" made by taking'a suitable sheet of thefcharacter de-;scrbed and winding it"o'n a wooden core 30 "having '-'a square"ho1e'through 'theslcenter through-"which a metal bel-;may be placed;

g Iaeing the rollof febre in ga laehinesm et to a doublin or fa'cngmachine having two ressure-xfo which'travel-at'thesame 4.0 evapo ted Thefabric: which eomprise's H the has'elayeras indeeted in section 'in the1 aecompnyng drawing-is next subjectedto' ,tensioniand a ainpassedbetween rolls and B., RESPESS,

'saturating one `orboth Sides .of 'the made of woven cloth. is finis'hed,-'by passingit surface d'essing may be 'plaed-on 'the' fao 'c nthesame manner that artificial leethet,

under a knife in a co't-ng machine and one or nore coats be deposited ontheside to be coatedf Or" thefab'fo may b ased.-

through &Calendari machine and a coating of ru'bber deposted; andpressed'on its surface;

The ooated product may be mbossd in any' i design 'o jfinished in anycolorjdesired. v

` Tlns treatment :will .produce a' 'fabrc 'which is compact like latherandzof much .greater strength than i`s-` :secured With the feltd clothbefore it is s'o treated. The,

special feature "claimed for this product- .is

.that by saturatin-g' in the -manner described,`

instead of coatin'the -s'ui'facein the manner now employed mthe'manufatte of arti'- ficiel leathe'rs, *th'bindng-eoatng 'agent is'pressed into and becomes a'part'of the fab'o 'and -t hereafter when the'finishingj surface 7 coat or coats are applied .they edhere' more-4 tfirmly to'nd become anintegral-;part ofthe,

fabrc. 'The nvention lies chiefly in the" preparatijon of .fab `ric by,pressing :some of the b-'-nding agentinto the fbri by 'meansofjpressi-re rollsand thereterzapplying the dressing to the surface in:thetusial maj-nmen.

The bindng agnt maybe composedjof 'f'i'sused as thehinding agent drsurfeefdress jthe surface dre'ssing.. 5

ing an unwoven fabric -consisting-in forming a matted fiber sheet,saturating the sheet with a bnding a nt by pressure rolls to orce theinding a. ent into assng t through and throughout the fibers, drying t eproduct, subjecting the drie'd'sheet to tension and pressing undertension between rollers.

3. The herein described process of making an unwoven fabric eonsistnginforming an interlocked n-atted fiber sheet, saturating the sheet witha binding agent of rubber u compound by passing it through ressure undertension and vulcanizng,

rolls toforce the rubberinto and t roughout thefibers, drying theproduct, subjecting the dried sheet` to tension, pressing the sheet 4.The hei-ein described process of making an unwoven fabric consisting informin a matted fiber sheet, saturating the sheet wth a binding-agent bypassi t through presv sure rolls to force the b i ding agent into andthroughout the fibers, drying the prod uct, subjecting -the dred' sheetto tension and pressing under tension between rollers and coating at'least one side of the product with a cellulose compound, linseed oilootheisuitable leather dressing.

e 5. The herein described process of making an unwoven fabric consistngin' forming a v matted fiber sheet, satureting the-sheetflwtl a bindingagent of rubber compound by passing it through pressure rolls to forcethe rbber into and throughout the fibers, dtying the product,subjecting'the. dried` sheet totension, pressing the sheet under tensionand vulcanizing and coatin the' product with a. surface dressing of`'cel ulose compound, linseed oil or other suitable leather 'dressingSigned by me at Boston, Massaehusetts,

this 27 th day of March, 1923.

- r RQLAND B. RESPESS.

